CVE-2026-56693

medium

Description

NanoClaw before 2.1.17 contains a privilege escalation vulnerability in the create_agent delivery-action handler that performs privileged central-database writes without host-side authorization checks. Confined agent containers can invoke create_agent to create arbitrary agent groups, container configurations, and destinations, escalating beyond their intended confinement boundary.

References

https://www.vulncheck.com/advisories/nanoclaw-privilege-escalation-via-unauthorized-create-agent-system-action

https://github.com/nanocoai/nanoclaw/pull/2720

https://github.com/nanocoai/nanoclaw/commit/ac37ecbfd6b9d14fdfa1598a6412a8ffdbeaef45

Details

Source: Mitre, NVD

Published: 2026-06-23

Updated: 2026-06-23

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 6.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00113